// Copyright 2020 Tokamak contributors
//
// Licensed under the Apache License, Version 2.0 (the "License");
// you may not use this file except in compliance with the License.
// You may obtain a copy of the License at
//
//     http://www.apache.org/licenses/LICENSE-2.0
//
// Unless required by applicable law or agreed to in writing, software
// distributed under the License is distributed on an "AS IS" BASIS,
// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
// See the License for the specific language governing permissions and
// limitations under the License.
//
//  Created by Carson Katri on 10/10/20.
//

import CGTK
import Foundation
import TokamakCore

extension _Button: AnyWidget, ParentView {
  func new(_ application: UnsafeMutablePointer<GtkApplication>) -> UnsafeMutablePointer<GtkWidget> {
    let btn = gtk_button_new()!
    bindAction(to: btn)
    return btn
  }

  func update(widget: Widget) {
    if case let .widget(w) = widget.storage {
      w.disconnect(gtype: gtk_button_get_type(), signal: "clicked")
      bindAction(to: w)
    }
  }

  func bindAction(to btn: UnsafeMutablePointer<GtkWidget>) {
    btn.connect(signal: "clicked", closure: action)
  }

  public var children: [AnyView] {
    [AnyView(label)]
  }
}
